What this means
The IEEE assigned the MA-L block 54D0B4 to Xiamen Four-Faith Communication Technology Co.,Ltd. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 54:D0:B4, it is Xiamen Four-Faith Communication Technology Co.,Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 54D0B4?
54D0B4 is registered to Xiamen Four-Faith Communication Technology Co.,Ltd in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Xiamen Four-Faith Communication Technology Co.,Ltd's block covers 16,777,216 addresses.
What devices use 54D0B4?
Any network device with a MAC address starting 54:D0:B4 was manufactured by or for Xiamen Four-Faith Communication Technology Co.,Ltd.